Ricoh IM C300

SC9xx: Others
SM 6-117 D0CA/D0C9/D0C8/D0CB
Troubleshooting
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
main power OFF and then back ON. If the SC occurs again, do the following
steps. Check if the SC reoccurs by cycling the power after each step.
1. Reconnect the connector to the BiCU (PCB1).
Take care not to bend the connector pins when reconnecting the
connector.
2. Reconnect the relay connector and Paper Feed Clutch (CL9) connector.
Take care not to bend the connector pins when reconnecting the
connector.
3. Replace the Paper Feed Clutch (CL9).
4. Replace the harness between the BiCU (PCB1) and Paper Feed Clutch
(CL9).
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
SC940-03 C Bypass Feed Clutch (CL7) Malfunction (when not operating)
This SC occurs if the value of the register of the error detection signal is zero
three times in a row when the Bypass Feed Clutch (CL7) is not operating.
• Connector disconnected
• The harness is broken.
• The harness is trapped.
• Bypass Feed Clutch (CL7) is malfunctioning.
• Bypass Feed Clutch (CL7) driver is malfunctioning.
• The interlock switch is OFF.
Check if the SC occurs by executing two-sided printing after turning the main
power OFF and then back ON. If the SC occurs again, do the following steps.
Check if the SC reoccurs by cycling the power after each step.
1. Reconnect the connector to the BiCU (PCB1).
Take care not to bend the connector pins when reconnecting the
connector.
2. Reconnect the relay connector and Bypass Feed Clutch (CL7) connector.
Take care not to bend the connector pins when reconnecting the
connector.
3. Replace the Bypass Feed Clutch (CL7).
4. Replace the harness between the BiCU (PCB1) and Bypass Feed Clutch
(CL7).